000 00298nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
100 _aKolman Bernard
245 0 _aDiscrete Mathematical Structure
260 _aNew Delhi
_bP.N Learning
_c2011
300 _a538p
942 _cGB
999 _c31124
_d31124